Spill-containment envelope for a transformer



FIG. 1 is a perspective view of a spill-containment envelope for a transformer showing my new design; the broken line showing of a utility pole, a set of brackets and a transformer is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a right side elevational view of FIG. 1;

FIG. 4 is a rear elevational view of FIG. 1;

FIG. 5 is a top plan view of FIG. 1; and,

FIG. 6 is a bottom plan view of FIG. 1. 

The ornamental design for a spill-containment envelope for a transformer, as shown and described. 